One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,8)(9,10,12,14)(11,15,16,13)(17,18)(19,22)(20,25)(21,24)(23,27)(26,29)(28,31)(30,32)(34,36)(39,41)(40,44)(47,48)(9,10)(11,13)(12,14)(15,16)(18,19)(20,27)(24,26)(28,32)(33,34,38,36)(35,41,43,39)(37,40,46,44)(42,48,45,47)(11,16)(13,15)(17,19,22,18)(20,25,27,23)(21,24,29,26)(28,30,32,31)(33,35,38,43)(34,39,36,41)(37,45,46,42)(40,48,44,47)(1,2)(3,6)(4,5)(7,8)(9,10)(11,13)(12,14)(15,16)(17,20)(18,23)(19,25)(21,28)(22,27)(24,30)(26,31)(29,32)(33,36,38,34)(35,41,43,39)(37,44,46,40)(42,48,45,47)(1,3,4,7)(2,6,5,8)(9,11)(10,13)(12,16)(14,15)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)(33,37,38,46)(34,40,36,44)(35,42,43,45)(39,47,41,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.